Question

Name the metal which increases the activity of iron metal when added in small amount for preparation of ammonia gas
.
​

Answer 1

Explanation:

Oxides of aluminum and calcium are structure-building promoters, and they influence the catalyst structure, its specific surface area, and thermal resistance under reaction conditions . Potassium oxide is an activating promoter that changes iron sorption properties by the modification of iron surface.

Answer 2

The correct answer is Molybdenum.

EXPLANATION

• The above problem can be simply solved as follows;
• The process in which Habers process of ammonia proudction, Iron is used as catalyst to increase the hydrogenation of N₂.
• Iron is used as iron oxide having promoters including Molybdenum, aluminium oxide, potassium oxide and magnesium oxide.
• These promoters maintain the surface area of the iron catalyst and remain unreactive to the reduction by hydrogen.
• Raw material for Haber's process are;
• Air (supplied by nitrogen), Natural gas and Iron as catalyst
• Nitrogen gas and Hydrogen are made to react using iron as the catalyst. The process goes through a lot of stages such as shift conversion,carbon dioxide removal and steam reformation and methanation.

#SPJ2